fix: check for output folder before download

README.md

@@ -19,7 +19,7 @@ if (repository != null) {
     println("Cannot find artifact.")
 }
 ```
-
+NOTE: If you only want to download the artifact, you can use the `downloadTo` method instead.
 For downloading an artifact with all of its dependencies, you can do
 ```kt
 val output = File("<directory to download artifact>")

lib/build.gradle.kts

@@ -12,7 +12,7 @@ publishing {
     create<MavenPublication>("maven") {
       groupId = "org.cosmic.ide"
       artifactId = "dependency-resolver"
-      version = "1.0.0"
+      version = "1.0.1"
 
       from(components["java"])
     }

lib/src/main/kotlin/org/cosmic/ide/dependency/resolver/api/Artifact.kt

@@ -5,7 +5,6 @@ import java.io.File
 import java.io.InputStream
 import java.net.URL
 import javax.xml.parsers.DocumentBuilderFactory
-import org.w3c.dom.Element
 
 data class Artifact(
     val groupId: String,
@@ -25,11 +24,12 @@ data class Artifact(
     }
 
     fun downloadArtifact(output: File) {
+        output.mkdirs()
         val artifacts = resolve()
         artifacts.add(this)
 
         val latestDeps =
-            artifacts.groupBy { it.groupId to it.artifactId }.values.map { it.maxBy { it.version } }
+            artifacts.groupBy { it.groupId to it.artifactId }.values.map { artifact -> artifact.maxBy { it.version } }
 
         latestDeps.forEach { art ->
             if (art.version.isNotEmpty() && art.repository != null) {
@@ -39,8 +39,7 @@ data class Artifact(
     }
 
     fun resolve(): MutableList<Artifact> {
-        val pom = getPOM()
-        if (pom == null) return mutableListOf()
+        val pom = getPOM() ?: return mutableListOf()
         val deps = pom.resolvePOM()
         val artifacts = mutableListOf<Artifact>()
         deps.forEach { dep ->

lib/src/main/kotlin/org/cosmic/ide/dependency/resolver/api/Repository.kt

@@ -7,7 +7,7 @@ interface Repository {
 
     fun checkExists(groupId: String, artifactId: String, version: String): Boolean {
         val repository = getURL()
-        val dependencyUrl = if (!version.isEmpty())
+        val dependencyUrl = if (version.isNotEmpty())
 
             "$repository/${groupId.replace(".", "/")}/$artifactId/$version/$artifactId-$version.jar"
             else

lib/src/main/kotlin/org/cosmic/ide/dependency/resolver/utils.kt

@@ -36,7 +36,7 @@ fun InputStream.resolvePOM(): List<Artifact> {
     val doc = builder.parse(this)
 
     val dependencies = doc.getElementsByTagName("dependencies").item(0) as Element?
-    if (dependencies == null) return artifacts
+        ?: return artifacts
     val dependencyElements = dependencies.getElementsByTagName("dependency")
     for (i in 0 until dependencyElements.length) {
         val dependencyElement = dependencyElements.item(i) as Element

local.properties

@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Wed Mar 01 20:18:29 IST 2023
+sdk.dir=/Users/palakpurwar/Android/sdk